Overviews

Poisonous Plants – an overview of plant poisoning and how to avoid being poisened

Successful use of plants in a survival situation depends on positive identification. Knowing poisonous plants is as important as knowing edible plants. Plants Poisoning Plants generally poison by: Contact. This contact with a poisonous plant causes any type of skin irritation or dermatitis. Ingestion. This occurs when a person eats…
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Poisonous Plants

Strychnine tree

Strychnine tree Strychnos nux-vomica Logania (Loganiaceae) Family Description: The strychnine tree is a medium-sized evergreen tree with a short, thick crooked trunk, reaching a height of about 12 meters (36 feet).  The wood of the Strychnine tree is white and dense and durable with irregular branches covered with a smooth,…
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Poisonous Plants

Poison Sumac

Poison sumac Toxicodendron vernix Cashew (Anacardiacese) Family Description: Poison sumac is a woody shrub or small tree that grows to meters (28 feet) tall with rough, scaly bark. It has alternate, pinnately compound leafstalks with 7 to 13 smooth edged leaflets per #160; The leaflets are oval to oblong, taper…
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Poisonous Plants

Poison Ivy and Poison Oak

Poison ivy and poison oak Toxicodendron radicans and Toxicodendron diversilobum (previously Toxicodendron diversibba) Cashew (Anacardiacese) Family Description: These two plants are quite similar in appearance and will often crossbreed to make a hybrid. Both have alternate, compound leaves with three #160; The oil in the plants is the primary culprit…
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Poisonous Plants

Pangi

Pangi or Keluak Pangium edule Pangi Family Description: The Pangi tree, also known as Keluak, Keluwak, or Keypayang, is a tall tree often reaching heights of 18 meters (54 feet).  The tree has large, glossy heart-shaped leaves in spirals each typically with three #160; Its large flowers grow in spikes,…
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Poisonous Plants

Oleander

Oleander Nerium oleander Dogbane (Apocynaceae) Family Description: The poisonous Oleander shrub (or small tree) grows to about 9 meters (27 feet), with alternate, very straight, thick, leathery, dark green, long (2-8 inches), narrow (1 inch), lance-shaped leaves. Leaves typically grow in pairs or whorls of #160; Mature plants have grayish…
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Poisonous Plants

Manchineel

Manchineel Hippomane mancinella Spurge (Euphorbiaceae) Family Description: The deadly Manchineel tree (sometimes written “manchioneel”) is a flowering tree reaching up to 15 meters (45 feet) high with greyish or brown, scaly or fissured bark and alternate, shiny green leaves and spikes of small greenish flowers. The Manchineel tree’s glossy leaves…
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Poisonous Plants

Lantana

Lantana Lantana camara Vervain (Verbenaceae) Family Description: The poisonous Lantana plant, also known as Spanish Flag, Big Sage, Blacksage, Wild Sage, Prickly Lantana, or West Indian Lantana, is a low erect, shrub-like plant that may grow up to 45 centimeters (18 inches) high. It has opposite, round to oval shaped…
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Poisonous Plants

Poisonous Death camas (death lily) plant looks like an onion

Death camas, death lily All of the Zigadenus species Lily (Liliaceae) Family Description: The poisonous Death Camas (or Meadow Deathcamas) plant arises from a bulb and may be mistaken for an onion plant. Its leaves are long and grass-like. The bulbs look like onions but do not smell like onions. …
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Poisonous Plants

Chinaberry

Chinaberry  Melia azedarach  Mahogany (Meliaceae) Family Description: The poisonous Chinaberry tree (also known as bead-tree, Persian lilac, white cedar, Texas umbrella, pride of India, or Cape lilac) has a round, spreading crown and grows up to 14 meters (42 feet) tall. It has alternate, compound (odd-pinnate) leaves with toothed (serrated…
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Poisonous Plants

Castor bean, castor-oil plant, palma Christi

Castor bean, castor-oil plant, palma Christi Ricinus communis Spurge (Euphorbiaceae) Family Description: The castor bean is a semi-woody, flowering plant with large, alternate, star-like leaves that grows as a tree in tropical regions and as an annual in temperate regions. Its glossy leaves grow to 15-45 centimeters (6-18 inches long…
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